Transmission 2VarioLink 2221/2821/3621 2-5Transmission Chapter 23 Slide the adjustable doc-ument guides againstthe edges of the docu-ment.Placing the document on the original glass0 When placing the document on the original glass, be sure to lift open theoriginal cover or ADF at least 15°.If the document is placed on the original glass without the original coveror ADF being lifted at least 15°, the correct document size may not be de-tected.0 Do not place objects weighing more than 4-1/2 lb on the original glass. Inaddition, do not press down extremely hard on a book spread placed onthe original glass, otherwise the original glass may be damaged.0 For thick books or large objects, scan without closing the original coveror ADF. When a document is being scanned with the original cover orADF open, do not look directly at the light that may shine through theoriginal glass. Although the light that shines through the original glass isbright, it is not a laser beam and, therefore, is not as dangerous.0 The size of the following types of documents may not be correctly detect-ed. In this case, specify the size before scanning. For details, refer to “Re-duction/Area” on page 2-12.- Documents with a dark background- Documents that are transparent or where the back side can be read,such as with overhead projector transparencies or tracing paper- Non-standard-sized documents, long and thin documents, and docu-ments that are not rectangular- Documents smaller than 5-1/2 × 8-1/2 or larger than 11 × 170 An area of 3/8 inch on all sides of the document cannot be scanned.0 When sending an 11 × 17- or Legal-size document, the fax is automati-cally reduced to fit the size of paper loaded in the recipient’s fax machine.To send an 11 × 17- or Legal-size document with its original dimensions,cancel automatic reduction of sent faxes. For details, refer to “Reduction/Area” on page 2-12.